Home / 205,521.48-308,072.01-104,131.71

Finding the Fourth Proportional to 205,521.48, 308,072.01 and 104,131.71

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Solution

The fourth proportional to 205,521.48, 308,072.01 and 104,131.71 is: 156,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,521.48 : 308,072.01 = 104,131.71 : x
  2. Step 2: Convert to fraction form
    205,521.48/308,072.01 = 104,131.71/x
  3. Step 3: Cross multiply
    205,521.48x = 308,072.01 × 104,131.71
  4. Step 4: Simplify right side
    205,521.48x = 32,080,065,204.44
  5. Step 5: Solve for x
    x = 32,080,065,204.44/205,521.48
  6. Step 6: Final answer
    x = 156,091.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.